// GetDataMatrixCodeSettings initializes the settings for the given barcode.
// The settings are stored in the custom data of each image.
// Since these settings are stored in Visual Basic 6 format, we use the VBCustomData class.
private void GetDataMatrixCodeSettings(VisionImage barcode, ref DataMatrixDescriptionOptions descOptions, ref DataMatrixSizeOptions sizeOptions, ref DataMatrixSearchOptions searchOptions)
{
descOptions.AspectRatio = new VBCustomData(barcode.CustomData.GetDataRawBytes("DMDescriptionAspectRatio")).Numeric[0];
VBCustomData sizeData = new VBCustomData(barcode.CustomData.GetDataRawBytes("DMDescriptionRowsColumns"));
descOptions.Rows = (uint)sizeData.Numeric[0];
descOptions.Columns = (uint)sizeData.Numeric[1];
descOptions.Rectangle = new VBCustomData(barcode.CustomData.GetDataRawBytes("DMDescriptionRectangle")).Numeric[0] != 0.0;
descOptions.Ecc = (DataMatrixEcc)(new VBCustomData(barcode.CustomData.GetDataRawBytes("DMDescriptionECC")).Numeric[0]);
descOptions.Polarity = (DataMatrixPolarity)(new VBCustomData(barcode.CustomData.GetDataRawBytes("DMDescriptionPolarity")).Numeric[0]);
descOptions.CellFill = (DataMatrixCellFillMode)(new VBCustomData(barcode.CustomData.GetDataRawBytes("DMDescriptionCellFill")).Numeric[0]);
descOptions.MinimumBorderIntegrity = new VBCustomData(barcode.CustomData.GetDataRawBytes("DMDescriptionMinimumBorderIntegrity")).Numeric[0];
descOptions.MirrorMode = (DataMatrixMirrorMode)(new VBCustomData(barcode.CustomData.GetDataRawBytes("DMDescriptionMirror")).Numeric[0]);
sizeData = new VBCustomData(barcode.CustomData.GetDataRawBytes("DMSizeBarcode"));
sizeOptions.MinimumSize = (uint)sizeData.Numeric[0];
sizeOptions.MaximumSize = (uint)sizeData.Numeric[1];
sizeOptions.QuietZoneWidth = (uint)(new VBCustomData(barcode.CustomData.GetDataRawBytes("DMSizeQuietZoneWidth"))).Numeric[0];
searchOptions.RotationMode = (DataMatrixRotationMode)(new VBCustomData(barcode.CustomData.GetDataRawBytes("DMSearchRotation"))).Numeric[0];
searchOptions.SkipLocation = (new VBCustomData(barcode.CustomData.GetDataRawBytes("DMSearchSkipLocation"))).Numeric[0] != 0.0;
searchOptions.EdgeThreshold = (uint)(new VBCustomData(barcode.CustomData.GetDataRawBytes("DMSearchEdgeThreshold"))).Numeric[0];
searchOptions.DemodulationMode = (DataMatrixDemodulationMode)(new VBCustomData(barcode.CustomData.GetDataRawBytes("DMSearchDemodulation"))).Numeric[0];
searchOptions.CellSampleSize = (DataMatrixCellSampleSize)(new VBCustomData(barcode.CustomData.GetDataRawBytes("DMSearchCellSampleSize"))).Numeric[0];
searchOptions.CellFilterMode = (DataMatrixCellFilterMode)(new VBCustomData(barcode.CustomData.GetDataRawBytes("DMSearchCellFilter"))).Numeric[0];
searchOptions.SkewDegreesAllowed = (uint)(new VBCustomData(barcode.CustomData.GetDataRawBytes("DMSearchSkewDegrees"))).Numeric[0];
searchOptions.MaximumIterations = (uint)(new VBCustomData(barcode.CustomData.GetDataRawBytes("DMSearchMaxIterations"))).Numeric[0];
searchOptions.InitialSearchVectorWidth = (uint)(new VBCustomData(barcode.CustomData.GetDataRawBytes("DMSearchInitialSearchVectorWidth"))).Numeric[0];
}
public string ProcessDatamatrix(VisionImage image, TemplateConfig templateConfig, List <DataMatrixConfig> dataMatrixConfigs)
{
string dataMatrixInfo = string.Empty;
// Initialize the IVA_Data structure to pass results and coordinate systems.
IVA_Data ivaData = new IVA_Data(3, 1);
// Creates a new, empty region of interest.
Roi roi = new Roi();
//// Creates a new RotatedRectangleContour using the given values.
//RotatedRectangleContour vaRotatedRect = new RotatedRectangleContour(vaCenter, 1268, 1220, 0);
// Creates a new RectangleContour using the given values.
RectangleContour vaRotatedRect = new RectangleContour(templateConfig.Rectangle.Left,
templateConfig.Rectangle.Top, templateConfig.Rectangle.Width, templateConfig.Rectangle.Height);
roi.Add(vaRotatedRect);
image.Overlays.Default.AddRoi(roi);
// MatchPattern Grayscale
MatchMode vaMode = MatchMode.RotationInvariant;
bool vaSubpixelVal = false;
int[] minAngleVals = { -30, 0 };
int[] maxAngleVals = { 30, 0 };
int vaNumMatchesRequested = 1;
double vaMinMatchScore = 800;
double vaOffsetX = 0;
double vaOffsetY = 0;
pmResults = IVA_MatchPattern(image, ivaData, templateConfig.TemplatePath, vaMode, vaSubpixelVal,
minAngleVals, maxAngleVals, vaNumMatchesRequested, vaMinMatchScore, roi, vaOffsetX, vaOffsetY, 0);
foreach (PatternMatch match in pmResults)
{
image.Overlays.Default.AddPolygon(new PolygonContour(match.Corners), Rgb32Value.RedColor);
}
roi.Dispose();
// Set Coordinate System
int vaCoordSystemIndex = 0;
int stepIndexOrigin = 0;
int resultIndexOrigin = 1;
int stepIndexAngle = 0;
int resultIndexAngle = 3;
double refSysOriginX = templateConfig.Position.X;
double refSysOriginY = templateConfig.Position.Y;
double refSysAngle = 0;
AxisOrientation refSysAxisOrientation = AxisOrientation.Direct;
int vaCoordSystemType = 3;
IVA_CoordSys(vaCoordSystemIndex, stepIndexOrigin, resultIndexOrigin, stepIndexAngle,
resultIndexAngle, refSysOriginX, refSysOriginY, refSysAngle, refSysAxisOrientation, vaCoordSystemType, ivaData);
for (int i = 0; i < dataMatrixConfigs.Count; i++)
{
// Creates a new, empty region of interest.
Roi roiDM = new Roi();
// Creates a new RectangleContour using the given values.
RectangleContour vaRect = new RectangleContour(dataMatrixConfigs[i].Rectangle.Left,
dataMatrixConfigs[i].Rectangle.Top, dataMatrixConfigs[i].Rectangle.Width, dataMatrixConfigs[i].Rectangle.Height);
roiDM.Add(vaRect);
// Reposition the region of interest based on the coordinate system.
int coordSystemIndex = 0;
Algorithms.TransformRoi(roiDM, new CoordinateTransform(ivaData.baseCoordinateSystems[coordSystemIndex], ivaData.MeasurementSystems[coordSystemIndex]));
image.Overlays.Default.AddRoi(roiDM);
// Read DataMatrix Barcode
DataMatrixDescriptionOptions vaDescriptionOptions = new DataMatrixDescriptionOptions();
vaDescriptionOptions.AspectRatio = 0;
vaDescriptionOptions.CellFill = DataMatrixCellFillMode.AutoDetect;
uint matrixSizeColumns = 25;
uint.TryParse(dataMatrixConfigs[i].MatrixSize.Split('X')[1], out matrixSizeColumns);
vaDescriptionOptions.Columns = matrixSizeColumns;
vaDescriptionOptions.MinimumBorderIntegrity = 90;
vaDescriptionOptions.MirrorMode = DataMatrixMirrorMode.AutoDetect;
vaDescriptionOptions.Polarity = dataMatrixConfigs[0].Polarity;
vaDescriptionOptions.Rectangle = false;
uint matrixSizeRows = 25;
uint.TryParse(dataMatrixConfigs[i].MatrixSize.Split('X')[0], out matrixSizeRows);
vaDescriptionOptions.Rows = matrixSizeRows;
DataMatrixSizeOptions vaSizeOptions = new DataMatrixSizeOptions();
vaSizeOptions.MaximumSize = 250;
vaSizeOptions.MinimumSize = 50;
vaSizeOptions.QuietZoneWidth = 0;
DataMatrixSearchOptions vaSearchOptions = new DataMatrixSearchOptions();
vaSearchOptions.CellFilterMode = DataMatrixCellFilterMode.AutoDetect;
vaSearchOptions.CellSampleSize = dataMatrixConfigs[0].CellSize;
vaSearchOptions.DemodulationMode = DataMatrixDemodulationMode.AutoDetect;
vaSearchOptions.EdgeThreshold = 30;
vaSearchOptions.InitialSearchVectorWidth = 5;
vaSearchOptions.MaximumIterations = 150;
vaSearchOptions.RotationMode = DataMatrixRotationMode.Unlimited;
vaSearchOptions.SkewDegreesAllowed = 5;
vaSearchOptions.SkipLocation = false;
// Reads the data matrix from the image.
vaDataMatrixReport = Algorithms.ReadDataMatrixBarcode(image, roiDM, DataMatrixGradingMode.None,
vaDescriptionOptions, vaSizeOptions, vaSearchOptions);
if (vaDataMatrixReport.Found)
{
image.Overlays.Default.AddPolygon(new PolygonContour(vaDataMatrixReport.Corners),
Rgb32Value.RedColor, DrawingMode.DrawValue);
}
dataMatrixInfo += string.Format("{0},", vaDataMatrixReport.StringData);
roiDM.Dispose();
}
dataMatrixInfo = dataMatrixInfo.Substring(0, dataMatrixInfo.Length - 1);
// Dispose the IVA_Data structure.
ivaData.Dispose();
// Return the palette type of the final image.
return(dataMatrixInfo);
}
// timer1_Tick is called when the timer interval has passed. The next image
// is read in, barcode settings are initialized based on the type,
// and the barcode is read and processed.
private void timer1_Tick(object sender, EventArgs e)
{
// Stop the timer so that we don't count the time spent reading the barcode
timer1.Enabled = false;
using (VisionImage tempImage = new VisionImage()) {
// Load the barcode image.
tempImage.ReadVisionFile(curImages[imageIndex]);
Collection <Pdf417Report> pdf417Report = new Collection <Pdf417Report>();
DataMatrixReport dmReport = new DataMatrixReport();
QRReport qrReport = new QRReport();
// Read barcode and time how long it takes.
int startTime = System.Environment.TickCount;
if (barcodeType.Text == "PDF417")
{
// Decode a PDF417 code.
pdf417Report = Algorithms.ReadPdf417Barcode(tempImage);
}
else if (barcodeType.Text == "Data Matrix")
{
// Decode a Data Matrix
DataMatrixDescriptionOptions descOptions = new DataMatrixDescriptionOptions();
DataMatrixSizeOptions sizeOptions = new DataMatrixSizeOptions();
DataMatrixSearchOptions searchOptions = new DataMatrixSearchOptions();
if (useOptionsBox.Checked)
{
// Read the options from the image.
GetDataMatrixCodeSettings(tempImage, ref descOptions, ref sizeOptions, ref searchOptions);
}
DataMatrixGradingMode gradingMode = DataMatrixGradingMode.None;
if (gradeDMBox.Checked)
{
gradingMode = DataMatrixGradingMode.PrepareForAim;
}
dmReport = Algorithms.ReadDataMatrixBarcode(tempImage, null, gradingMode, descOptions, sizeOptions, searchOptions);
}
else
{
// Decode a QR Code
QRDescriptionOptions descOptions = new QRDescriptionOptions();
QRSizeOptions sizeOptions = new QRSizeOptions();
QRSearchOptions searchOptions = new QRSearchOptions();
if (useOptionsBox.Checked)
{
// Read the options from the image.
}
qrReport = Algorithms.ReadQRCode(tempImage, null, descOptions, sizeOptions, searchOptions);
}
int elapsedTime = System.Environment.TickCount - startTime;
bool found;
if (barcodeType.Text == "PDF417")
{
found = pdf417Report.Count > 0;
}
else if (barcodeType.Text == "Data Matrix")
{
found = dmReport.Found;
}
else
{
found = qrReport.Found;
}
// Process info
if (found)
{
PointContour centerPoint = new PointContour();
if (barcodeType.Text == "PDF417")
{
dataFound.Text = pdf417Report[0].StringData;
typeFound.Text = "Pdf417";
tempImage.Overlays.Default.AddPolygon(new PolygonContour(pdf417Report[0].Corners), Rgb32Value.GreenColor, DrawingMode.DrawValue);
// Center the viewer on the barcode.
centerPoint.Initialize((pdf417Report[0].Corners[0].X + pdf417Report[0].Corners[2].X) / 2, (pdf417Report[0].Corners[0].Y + pdf417Report[0].Corners[2].Y) / 2);
}
else if (barcodeType.Text == "Data Matrix")
{
if (dmReport.Binary)
{
dataFound.Text = System.Text.Encoding.Default.GetString(dmReport.GetBinaryData());
}
else
{
dataFound.Text = dmReport.StringData;
}
DisplayDataMatrixType(dmReport);
tempImage.Overlays.Default.AddPolygon(new PolygonContour(dmReport.Corners), Rgb32Value.GreenColor, DrawingMode.DrawValue);
// Center the viewer on the barcode.
centerPoint.Initialize((dmReport.Corners[0].X + dmReport.Corners[2].X) / 2, (dmReport.Corners[0].Y + dmReport.Corners[2].Y) / 2);
// Grade the barcode if requested.
if (gradeDMBox.Checked)
{
AimGradeReport gradeReport = Algorithms.GradeDataMatrixBarcodeAim(tempImage);
gradeOverall.Text = gradeReport.OverallGrade.ToString();
gradeDecoding.Text = gradeReport.DecodingGrade.ToString();
gradeSymbolContrast.Text = gradeReport.SymbolContrastGrade.ToString();
gradePrintGrowth.Text = gradeReport.PrintGrowthGrade.ToString();
gradeAxialNonuniformity.Text = gradeReport.AxialNonuniformityGrade.ToString();
gradeUnusedErrorCorrection.Text = gradeReport.UnusedErrorCorrectionGrade.ToString();
}
else
{
gradeOverall.Text = "";
gradeDecoding.Text = "";
gradeSymbolContrast.Text = "";
gradePrintGrowth.Text = "";
gradeAxialNonuniformity.Text = "";
gradeUnusedErrorCorrection.Text = "";
}
}
else
{
dataFound.Text = System.Text.Encoding.Default.GetString(qrReport.GetData());
DisplayQRType(qrReport);
tempImage.Overlays.Default.AddPolygon(new PolygonContour(qrReport.Corners), Rgb32Value.GreenColor, DrawingMode.DrawValue);
// Center the viewer on the barcode.
centerPoint.Initialize((qrReport.Corners[0].X + qrReport.Corners[2].X) / 2, (qrReport.Corners[0].Y + qrReport.Corners[2].Y) / 2);
}
readTime.Text = elapsedTime.ToString();
Algorithms.Copy(tempImage, imageViewer1.Image);
imageViewer1.RefreshImage();
imageViewer1.Center.Initialize(centerPoint.X, centerPoint.Y);
}
}
// Set up for next image
imageIndex = (imageIndex + 1) % curImages.Count;
timer1.Enabled = true;
}
